import axios from 'axios'
import { Notification, MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  timeout: 10000,
  headers: {
    'Content-Type': 'application/json'
  }
})
// request拦截器
service.interceptors.request.use(
  config => {
    if (getToken()) {
      config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    if (typeof config.data === 'object' && !Array.isArray(config.data)) {
      const data = {}
      const originData = config.data || {}
      Object.keys(originData).forEach((key) => {
        const value = originData[key]
        if (value !== null && value !== '' && value !== 'undefined') {
          data[key] = value
        }
      })
      config.data = data
    }

    const params = {}
    const originParams = config.params || {}
    Object.keys(originParams).forEach((key) => {
      const value = originParams[key]
      if (value !== null && value !== '') {
        params[key] = value
      }
    })
    config.params = params
    return config
  },

  error => {
    console.log(error)
    Promise.reject(error)
  }
)

// 响应拦截器
service.interceptors.response.use(res => {
  const code = res.data.code
  if (code === 401) {
    MessageBox.confirm(
      '登录状态已过期，您可以继续留在该页面，或者重新登录',
      '系统提示',
      {
        confirmButtonText: '重新登录',
        cancelButtonText: '取消',
        type: 'warning'
      }
    ).then(() => {
      store.dispatch('LogOut').then(() => {
        window.location.href = '/'
      })
    })
  } else if (code !== 200) {
    Notification.error({
      message: res.data.msg
    })
    return Promise.reject('error')
  } else {
    return res.data
  }
},
error => {
  console.log('err' + error)
  Message({
    message: error.message,
    type: 'error',
    duration: 5 * 1000
  })
  return Promise.reject(error)
}
)

export default service
